diff --git a/package.json b/package.json
index 95c919b..549b196 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "postversion": "git push && git push --tags"
   },
   "engines": {
-    "node": "~4.9.1"
+    "node": ">=4.9.1"
   },
   "author": "longbill",
   "contributors": [],